.contaier{
	height: 100vh;
	background-color: #ffffff;
}

.top-bg{
	width: 750rpx;
	background-image: url(https://cdn.zhoukaiwen.com/head-bg.png);
	height: 480rpx;
	background-size: 100%;
	background-repeat: no-repeat;
	text-align: center;
	padding-top: 170rpx;
}

.bg-login-zl {
	background-image: linear-gradient(45deg, #727CFB, #46D0ED);
	color: #ffffff;
}	